git.sesse.net Git - vlc/blob - modules/gui/macosx/voutgl.m

   1 /*****************************************************************************
   2  * voutgl.m: MacOS X OpenGL provider
   3  *****************************************************************************
   4  * Copyright (C) 2001-2004 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Colin Delacroix <colin@zoy.org>
   8  *          Florian G. Pflug <fgp@phlo.org>
   9  *          Jon Lech Johansen <jon-vl@nanocrew.net>
  10  *          Derk-Jan Hartman <hartman at videolan dot org>
  11  *          Eric Petit <titer@m0k.org>
  12  *          Benjamin Pracht <bigben at videolan dot org>
  13  *          Damien Fouilleul <damienf at videolan dot org>
  14  *
  15  * This program is free software; you can redistribute it and/or modify
  16  * it under the terms of the GNU General Public License as published by
  17  * the Free Software Foundation; either version 2 of the License, or
  18  * (at your option) any later version.
  19  *
  20  * This program is distributed in the hope that it will be useful,
  21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23  * GNU General Public License for more details.
  24  *
  25  * You should have received a copy of the GNU General Public License
  26  * along with this program; if not, write to the Free Software
  27  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  28  *****************************************************************************/
  29
  30 /*****************************************************************************
  31  * Preamble
  32  *****************************************************************************/
  33 #include <errno.h>                                                 /* ENOMEM */
  34 #include <stdlib.h>                                                /* free() */
  35 #include <string.h>                                            /* strerror() */
  36
  37 #include <vlc_keys.h>
  38
  39 #include "intf.h"
  40 #include "vout.h"
  41
  42 #include <OpenGL/OpenGL.h>
  43 #include <OpenGL/gl.h>
  44
  45 #include <AGL/agl.h>
  46
  47 /*****************************************************************************
  48  * VLCGLView interface
  49  *****************************************************************************/
  50 @interface VLCGLView : NSOpenGLView <VLCVoutViewResetting>
  51 {
  52     vout_thread_t * p_vout;
  53 }
  54
  55 + (void)resetVout: (vout_thread_t *)p_vout;
  56 - (id) initWithVout: (vout_thread_t *) p_vout;
  57 @end
  58
  59 struct vout_sys_t
  60 {
  61     NSAutoreleasePool * o_pool;
  62     VLCGLView         * o_glview;
  63     VLCVoutView       * o_vout_view;
  64     vlc_bool_t          b_saved_frame;
  65     NSRect              s_frame;
  66     vlc_bool_t          b_got_frame;
  67     /* Mozilla plugin-related variables */
  68     vlc_bool_t          b_embedded;
  69     AGLContext          agl_ctx;
  70     AGLDrawable         agl_drawable;
  71     int                 i_offx, i_offy;
  72     int                 i_width, i_height;
  73     WindowRef           theWindow;
  74     WindowGroupRef      winGroup;
  75     vlc_bool_t          b_clipped_out;
  76     Rect                clipBounds, viewBounds;
  77 };
  78
  79 /*****************************************************************************
  80  * Local prototypes
  81  *****************************************************************************/
  82
  83 static int  Init   ( vout_thread_t * p_vout );
  84 static void End    ( vout_thread_t * p_vout );
  85 static int  Manage ( vout_thread_t * p_vout );
  86 static int  Control( vout_thread_t *, int, va_list );
  87 static void Swap   ( vout_thread_t * p_vout );
  88 static int  Lock   ( vout_thread_t * p_vout );
  89 static void Unlock ( vout_thread_t * p_vout );
  90
  91 static int  aglInit   ( vout_thread_t * p_vout );
  92 static void aglEnd    ( vout_thread_t * p_vout );
  93 static int  aglManage ( vout_thread_t * p_vout );
  94 static int  aglControl( vout_thread_t *, int, va_list );
  95 static void aglSwap   ( vout_thread_t * p_vout );
  96 static int  aglLock   ( vout_thread_t * p_vout );
  97 static void aglUnlock ( vout_thread_t * p_vout );
  98
  99 int E_(OpenVideoGL)  ( vlc_object_t * p_this )
 100 {
 101     vout_thread_t * p_vout = (vout_thread_t *) p_this;
 102     vlc_value_t value_drawable;
 103
 104     if( !CGDisplayUsesOpenGLAcceleration( kCGDirectMainDisplay ) )
 105     {
 106         msg_Warn( p_vout, "no OpenGL hardware acceleration found. "
 107                           "Video display will be slow" );
 108         return( 1 );
 109     }
 110     msg_Dbg( p_vout, "display is Quartz Extreme accelerated" );
 111
 112     p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
 113     if( p_vout->p_sys == NULL )
 114     {
 115         msg_Err( p_vout, "out of memory" );
 116         return( 1 );
 117     }
 118
 119     memset( p_vout->p_sys, 0, sizeof( vout_sys_t ) );
 120
 121     var_Get( p_vout->p_libvlc, "drawable", &value_drawable );
 122     if( value_drawable.i_int != 0 )
 123     {
 124         static const GLint ATTRIBUTES[] = {
 125             AGL_WINDOW,
 126             AGL_RGBA,
 127             AGL_NO_RECOVERY,
 128             AGL_ACCELERATED,
 129             AGL_DOUBLEBUFFER,
 130             AGL_RED_SIZE,   8,
 131             AGL_GREEN_SIZE, 8,
 132             AGL_BLUE_SIZE,  8,
 133             AGL_ALPHA_SIZE, 8,
 134             AGL_DEPTH_SIZE, 24,
 135             AGL_NONE };
 136
 137         AGLPixelFormat pixFormat;
 138
 139         p_vout->p_sys->b_embedded = VLC_TRUE;
 140
 141         pixFormat = aglChoosePixelFormat(NULL, 0, ATTRIBUTES);
 142         if( NULL == pixFormat )
 143         {
 144             msg_Err( p_vout, "no screen renderer available for required attributes." );
 145             return VLC_EGENERIC;
 146         }
 147
 148         p_vout->p_sys->agl_ctx = aglCreateContext(pixFormat, NULL);
 149         aglDestroyPixelFormat(pixFormat);
 150         if( NULL == p_vout->p_sys->agl_ctx )
 151         {
 152             msg_Err( p_vout, "cannot create AGL context." );
 153             return VLC_EGENERIC;
 154         }
 155         else {
 156             // tell opengl not to sync buffer swap with vertical retrace (too inefficient)
 157             GLint param = 0;
 158             aglSetInteger(p_vout->p_sys->agl_ctx, AGL_SWAP_INTERVAL, &param);
 159             aglEnable(p_vout->p_sys->agl_ctx, AGL_SWAP_INTERVAL);
 160         }
 161
 162         p_vout->pf_init             = aglInit;
 163         p_vout->pf_end              = aglEnd;
 164         p_vout->pf_manage           = aglManage;
 165         p_vout->pf_control          = aglControl;
 166         p_vout->pf_swap             = aglSwap;
 167         p_vout->pf_lock             = aglLock;
 168         p_vout->pf_unlock           = aglUnlock;
 169     }
 170     else
 171     {
 172         NSAutoreleasePool *o_pool = [[NSAutoreleasePool alloc] init];
 173
 174         p_vout->p_sys->b_embedded = VLC_FALSE;
 175
 176         [VLCGLView performSelectorOnMainThread:@selector(initVout:) withObject:[NSValue valueWithPointer:p_vout] waitUntilDone:YES];
 177
 178         [o_pool release];
 179
 180         /* Check to see if initVout: was successfull */
 181
 182         if( !p_vout->p_sys->o_vout_view )
 183         {
 184             return VLC_EGENERIC;
 185         }
 186
 187         p_vout->pf_init   = Init;
 188         p_vout->pf_end    = End;
 189         p_vout->pf_manage = Manage;
 190         p_vout->pf_control= Control;
 191         p_vout->pf_swap   = Swap;
 192         p_vout->pf_lock   = Lock;
 193         p_vout->pf_unlock = Unlock;
 194     }
 195     p_vout->p_sys->b_got_frame = VLC_FALSE;
 196
 197     return VLC_SUCCESS;
 198 }
 199
 200 void E_(CloseVideoGL) ( vlc_object_t * p_this )
 201 {
 202     vout_thread_t * p_vout = (vout_thread_t *) p_this;
 203     if( p_vout->p_sys->b_embedded )
 204     {
 205         aglDestroyContext(p_vout->p_sys->agl_ctx);
 206     }
 207     else if(!VLCIntf->b_die)
 208     {
 209         NSAutoreleasePool *o_pool = [[NSAutoreleasePool alloc] init];
 210
 211         /* Close the window */
 212         [p_vout->p_sys->o_vout_view performSelectorOnMainThread:@selector(closeVout) withObject:NULL waitUntilDone:YES];
 213
 214         [o_pool release];
 215     }
 216     /* Clean up */
 217     free( p_vout->p_sys );
 218 }
 219
 220 static int Init( vout_thread_t * p_vout )
 221 {
 222     [[p_vout->p_sys->o_glview openGLContext] makeCurrentContext];
 223     return VLC_SUCCESS;
 224 }
 225
 226 static void End( vout_thread_t * p_vout )
 227 {
 228     [[p_vout->p_sys->o_glview openGLContext] makeCurrentContext];
 229 }
 230
 231 static int Manage( vout_thread_t * p_vout )
 232 {
 233     if( p_vout->i_changes & VOUT_ASPECT_CHANGE )
 234     {
 235         [p_vout->p_sys->o_glview reshape];
 236         p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
 237     }
 238     if( p_vout->i_changes & VOUT_CROP_CHANGE )
 239     {
 240         [p_vout->p_sys->o_glview reshape];
 241         p_vout->i_changes &= ~VOUT_CROP_CHANGE;
 242     }
 243
 244     if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
 245     {
 246         NSAutoreleasePool *o_pool = [[NSAutoreleasePool alloc] init];
 247
 248         p_vout->b_fullscreen = !p_vout->b_fullscreen;
 249
 250         if( p_vout->b_fullscreen )
 251             [p_vout->p_sys->o_vout_view enterFullscreen];
 252         else
 253             [p_vout->p_sys->o_vout_view leaveFullscreen];
 254
 255         [o_pool release];
 256
 257         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 258     }
 259
 260     [p_vout->p_sys->o_vout_view manage];
 261     return VLC_SUCCESS;
 262 }
 263
 264 /*****************************************************************************
 265  * Control: control facility for the vout
 266  *****************************************************************************/
 267 static int Control( vout_thread_t *p_vout, int i_query, va_list args )
 268 {
 269     vlc_bool_t b_arg;
 270
 271     switch( i_query )
 272     {
 273         case VOUT_SET_STAY_ON_TOP:
 274             b_arg = va_arg( args, vlc_bool_t );
 275             [p_vout->p_sys->o_vout_view setOnTop: b_arg];
 276             return VLC_SUCCESS;
 277
 278         case VOUT_CLOSE:
 279         case VOUT_REPARENT:
 280         default:
 281             return vout_vaControlDefault( p_vout, i_query, args );
 282     }
 283 }
 284
 285 static void Swap( vout_thread_t * p_vout )
 286 {
 287     p_vout->p_sys->b_got_frame = VLC_TRUE;
 288     [[p_vout->p_sys->o_glview openGLContext] flushBuffer];
 289 }
 290
 291 static int Lock( vout_thread_t * p_vout )
 292 {
 293     if( kCGLNoError == CGLLockContext([[p_vout->p_sys->o_glview openGLContext] CGLContextObj]) )
 294     {
 295         [[p_vout->p_sys->o_glview openGLContext] makeCurrentContext];
 296         return 0;
 297     }
 298     return 1;
 299 }
 300
 301 static void Unlock( vout_thread_t * p_vout )
 302 {
 303     CGLUnlockContext([[p_vout->p_sys->o_glview openGLContext] CGLContextObj]);
 304 }
 305
 306 /*****************************************************************************
 307  * VLCGLView implementation
 308  *****************************************************************************/
 309 @implementation VLCGLView
 310 + (void)initVout:(NSValue *)arg
 311 {
 312     vout_thread_t * p_vout = [arg pointerValue];
 313
 314     /* Create the GL view */
 315     p_vout->p_sys->o_glview = [[VLCGLView alloc] initWithVout: p_vout];
 316     [p_vout->p_sys->o_glview autorelease];
 317
 318     /* Spawn the window */
 319     p_vout->p_sys->o_vout_view = [VLCVoutView getVoutView: p_vout
 320                         subView: p_vout->p_sys->o_glview frame: nil];
 321 }
 322
 323 /* This function will reset the o_vout_view. It's useful to go fullscreen. */
 324 + (void)resetVout:(NSData *)arg
 325 {
 326     vout_thread_t * p_vout = [arg pointerValue];
 327
 328     if( p_vout->b_fullscreen )
 329     {
 330         /* Save window size and position */
 331         p_vout->p_sys->s_frame.size =
 332             [p_vout->p_sys->o_vout_view frame].size;
 333         p_vout->p_sys->s_frame.origin =
 334             [[p_vout->p_sys->o_vout_view getWindow ]frame].origin;
 335         p_vout->p_sys->b_saved_frame = VLC_TRUE;
 336     }
 337
 338     [p_vout->p_sys->o_vout_view closeVout];
 339
 340 #define o_glview p_vout->p_sys->o_glview
 341     o_glview = [[VLCGLView alloc] initWithVout: p_vout];
 342     [o_glview autorelease];
 343
 344     if( p_vout->p_sys->b_saved_frame )
 345     {
 346         p_vout->p_sys->o_vout_view = [VLCVoutView getVoutView: p_vout
 347                                                       subView: o_glview
 348                                                         frame: &p_vout->p_sys->s_frame];
 349     }
 350     else
 351     {
 352         p_vout->p_sys->o_vout_view = [VLCVoutView getVoutView: p_vout
 353                                                       subView: o_glview frame: nil];
 354
 355     }
 356 #undef o_glview
 357 }
 358
 359 - (id) initWithVout: (vout_thread_t *) vout
 360 {
 361     /* Must be called from main thread:
 362      * "The NSView class is generally thread-safe, with a few exceptions. You
 363      * should create, destroy, resize, move, and perform other operations on NSView
 364      * objects only from the main thread of an application. Drawing from secondary
 365      * threads is thread-safe as long as you bracket drawing calls with calls to
 366      * lockFocusIfCanDraw and unlockFocus." Cocoa Thread Safety */
 367
 368     p_vout = vout;
 369
 370     NSOpenGLPixelFormatAttribute attribs[] =
 371     {
 372         NSOpenGLPFADoubleBuffer,
 373         NSOpenGLPFAAccelerated,
 374         NSOpenGLPFANoRecovery,
 375         NSOpenGLPFAColorSize, 24,
 376         NSOpenGLPFAAlphaSize, 8,
 377         NSOpenGLPFADepthSize, 24,
 378         NSOpenGLPFAWindow,
 379         0
 380     };
 381
 382     NSOpenGLPixelFormat * fmt = [[NSOpenGLPixelFormat alloc]
 383         initWithAttributes: attribs];
 384
 385     if( !fmt )
 386     {
 387         msg_Warn( p_vout, "could not create OpenGL video output" );
 388         return nil;
 389     }
 390
 391     self = [super initWithFrame: NSMakeRect(0,0,10,10) pixelFormat: fmt];
 392     [fmt release];
 393
 394     [[self openGLContext] makeCurrentContext];
 395     [[self openGLContext] update];
 396
 397     /* Swap buffers only during the vertical retrace of the monitor.
 398        http://developer.apple.com/documentation/GraphicsImaging/
 399        Conceptual/OpenGL/chap5/chapter_5_section_44.html */
 400     long params[] = { 1 };
 401     CGLSetParameter( CGLGetCurrentContext(), kCGLCPSwapInterval,
 402                      params );
 403     return self;
 404 }
 405
 406 - (void) reshape
 407 {
 408     int x, y;
 409     vlc_value_t val;
 410
 411     Lock( p_vout );
 412     NSRect bounds = [self bounds];
 413
 414     var_Get( p_vout, "macosx-stretch", &val );
 415     if( val.b_bool )
 416     {
 417         x = bounds.size.width;
 418         y = bounds.size.height;
 419     }
 420     else if( bounds.size.height * p_vout->fmt_in.i_visible_width *
 421              p_vout->fmt_in.i_sar_num <
 422              bounds.size.width * p_vout->fmt_in.i_visible_height *
 423              p_vout->fmt_in.i_sar_den )
 424     {
 425         x = ( bounds.size.height * p_vout->fmt_in.i_visible_width *
 426               p_vout->fmt_in.i_sar_num ) /
 427             ( p_vout->fmt_in.i_visible_height * p_vout->fmt_in.i_sar_den);
 428
 429         y = bounds.size.height;
 430     }
 431     else
 432     {
 433         x = bounds.size.width;
 434         y = ( bounds.size.width * p_vout->fmt_in.i_visible_height *
 435               p_vout->fmt_in.i_sar_den) /
 436             ( p_vout->fmt_in.i_visible_width * p_vout->fmt_in.i_sar_num  );
 437     }
 438
 439     glViewport( ( bounds.size.width - x ) / 2,
 440                 ( bounds.size.height - y ) / 2, x, y );
 441
 442     [super reshape];
 443
 444     if( p_vout->p_sys->b_got_frame )
 445     {
 446         /* Ask the opengl module to redraw */
 447         vout_thread_t * p_parent;
 448         p_parent = (vout_thread_t *) p_vout->p_parent;
 449         Unlock( p_vout );
 450         if( p_parent && p_parent->pf_display )
 451         {
 452             p_parent->pf_display( p_parent, NULL );
 453         }
 454     }
 455     else
 456     {
 457         glClear( GL_COLOR_BUFFER_BIT );
 458         Unlock( p_vout );
 459     }
 460 }
 461
 462 - (void) update
 463 {
 464     Lock( p_vout );
 465     [super update];
 466     Unlock( p_vout );
 467 }
 468
 469 - (void) drawRect: (NSRect) rect
 470 {
 471     Lock( p_vout );
 472     [[p_vout->p_sys->o_glview openGLContext] flushBuffer];
 473     [super drawRect:rect];
 474     Unlock( p_vout );
 475 }
 476
 477 @end
 478
 479 /*****************************************************************************
 480  * embedded AGL context implementation
 481  *****************************************************************************/
 482
 483 static void aglSetViewport( vout_thread_t *p_vout, Rect viewBounds, Rect clipBounds );
 484 static void aglReshape( vout_thread_t * p_vout );
 485 static OSStatus WindowEventHandler(EventHandlerCallRef nextHandler, EventRef event, void *userData);
 486
 487 static int aglInit( vout_thread_t * p_vout )
 488 {
 489     vlc_value_t val;
 490
 491     Rect viewBounds;
 492     Rect clipBounds;
 493
 494     var_Get( p_vout->p_libvlc, "drawable", &val );
 495     p_vout->p_sys->agl_drawable = (AGLDrawable)val.i_int;
 496     aglSetDrawable(p_vout->p_sys->agl_ctx, p_vout->p_sys->agl_drawable);
 497
 498     var_Get( p_vout->p_libvlc, "drawable-view-top", &val );
 499     viewBounds.top = val.i_int;
 500     var_Get( p_vout->p_libvlc, "drawable-view-left", &val );
 501     viewBounds.left = val.i_int;
 502     var_Get( p_vout->p_libvlc, "drawable-view-bottom", &val );
 503     viewBounds.bottom = val.i_int;
 504     var_Get( p_vout->p_libvlc, "drawable-view-right", &val );
 505     viewBounds.right = val.i_int;
 506     var_Get( p_vout->p_libvlc, "drawable-clip-top", &val );
 507     clipBounds.top = val.i_int;
 508     var_Get( p_vout->p_libvlc, "drawable-clip-left", &val );
 509     clipBounds.left = val.i_int;
 510     var_Get( p_vout->p_libvlc, "drawable-clip-bottom", &val );
 511     clipBounds.bottom = val.i_int;
 512     var_Get( p_vout->p_libvlc, "drawable-clip-right", &val );
 513     clipBounds.right = val.i_int;
 514
 515     p_vout->p_sys->b_clipped_out = (clipBounds.top == clipBounds.bottom)
 516                                  || (clipBounds.left == clipBounds.right);
 517     if( ! p_vout->p_sys->b_clipped_out )
 518     {
 519         aglLock(p_vout);
 520         aglSetViewport(p_vout, viewBounds, clipBounds);
 521         aglReshape(p_vout);
 522         aglUnlock(p_vout);
 523     }
 524     p_vout->p_sys->clipBounds = clipBounds;
 525     p_vout->p_sys->viewBounds = viewBounds;
 526
 527     return VLC_SUCCESS;
 528 }
 529
 530 static void aglEnd( vout_thread_t * p_vout )
 531 {
 532     aglSetCurrentContext(NULL);
 533     if( p_vout->p_sys->theWindow ) DisposeWindow( p_vout->p_sys->theWindow );
 534 }
 535
 536 static void aglReshape( vout_thread_t * p_vout )
 537 {
 538     unsigned int x, y;
 539     unsigned int i_height = p_vout->p_sys->i_height;
 540     unsigned int i_width  = p_vout->p_sys->i_width;
 541
 542     vout_PlacePicture(p_vout, i_width, i_height, &x, &y, &i_width, &i_height);
 543
 544     glViewport( p_vout->p_sys->i_offx + x, p_vout->p_sys->i_offy + y, i_width, i_height );
 545
 546     if( p_vout->p_sys->b_got_frame )
 547     {
 548         /* Ask the opengl module to redraw */
 549         vout_thread_t * p_parent;
 550         p_parent = (vout_thread_t *) p_vout->p_parent;
 551         if( p_parent && p_parent->pf_display )
 552         {
 553             p_parent->pf_display( p_parent, NULL );
 554         }
 555     }
 556     else
 557     {
 558         glClear( GL_COLOR_BUFFER_BIT );
 559     }
 560 }
 561
 562 /* private event class */
 563 enum
 564 {
 565     kEventClassVLCPlugin = 'vlcp',
 566 };
 567 /* private event kinds */
 568 enum
 569 {
 570     kEventVLCPluginShowFullscreen = 32768,
 571     kEventVLCPluginHideFullscreen,
 572 };
 573
 574 static void sendEventToMainThread(EventTargetRef target, UInt32 class, UInt32 kind)
 575 {
 576     EventRef myEvent;
 577     if( noErr == CreateEvent(NULL, class, kind, 0, kEventAttributeNone, &myEvent) )
 578     {
 579         if( noErr == SetEventParameter(myEvent, kEventParamPostTarget, typeEventTargetRef, sizeof(EventTargetRef), &target) )
 580         {
 581             PostEventToQueue(GetMainEventQueue(), myEvent, kEventPriorityStandard);
 582         }
 583         ReleaseEvent(myEvent);
 584     }
 585 }
 586
 587 static int aglManage( vout_thread_t * p_vout )
 588 {
 589     if( p_vout->i_changes & VOUT_ASPECT_CHANGE )
 590     {
 591         aglLock( p_vout );
 592         aglReshape(p_vout);
 593         aglUnlock( p_vout );
 594         p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
 595     }
 596     if( p_vout->i_changes & VOUT_CROP_CHANGE )
 597     {
 598         aglLock( p_vout );
 599         aglReshape(p_vout);
 600         aglUnlock( p_vout );
 601         p_vout->i_changes &= ~VOUT_CROP_CHANGE;
 602     }
 603     if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
 604     {
 605         aglSetDrawable(p_vout->p_sys->agl_ctx, NULL);
 606         aglLock( p_vout );
 607         if( p_vout->b_fullscreen )
 608         {
 609             /* Close the fullscreen window and resume normal drawing */
 610             vlc_value_t val;
 611             Rect viewBounds;
 612             Rect clipBounds;
 613
 614             var_Get( p_vout->p_libvlc, "drawable", &val );
 615             p_vout->p_sys->agl_drawable = (AGLDrawable)val.i_int;
 616             aglSetDrawable(p_vout->p_sys->agl_ctx, p_vout->p_sys->agl_drawable);
 617
 618             var_Get( p_vout->p_libvlc, "drawable-view-top", &val );
 619             viewBounds.top = val.i_int;
 620             var_Get( p_vout->p_libvlc, "drawable-view-left", &val );
 621             viewBounds.left = val.i_int;
 622             var_Get( p_vout->p_libvlc, "drawable-view-bottom", &val );
 623             viewBounds.bottom = val.i_int;
 624             var_Get( p_vout->p_libvlc, "drawable-view-right", &val );
 625             viewBounds.right = val.i_int;
 626             var_Get( p_vout->p_libvlc, "drawable-clip-top", &val );
 627             clipBounds.top = val.i_int;
 628             var_Get( p_vout->p_libvlc, "drawable-clip-left", &val );
 629             clipBounds.left = val.i_int;
 630             var_Get( p_vout->p_libvlc, "drawable-clip-bottom", &val );
 631             clipBounds.bottom = val.i_int;
 632             var_Get( p_vout->p_libvlc, "drawable-clip-right", &val );
 633             clipBounds.right = val.i_int;
 634
 635             aglSetCurrentContext(p_vout->p_sys->agl_ctx);
 636             aglSetViewport(p_vout, viewBounds, clipBounds);
 637
 638             /* Most Carbon APIs are not thread-safe, therefore delagate some GUI visibilty update to the main thread */
 639             sendEventToMainThread(GetWindowEventTarget(p_vout->p_sys->theWindow), kEventClassVLCPlugin, kEventVLCPluginHideFullscreen);
 640         }
 641         else
 642         {
 643             Rect deviceRect;
 644
 645             GDHandle deviceHdl = GetMainDevice();
 646             deviceRect = (*deviceHdl)->gdRect;
 647
 648             if( !p_vout->p_sys->theWindow )
 649             {
 650                 /* Create a window */
 651                 WindowAttributes    windowAttrs;
 652
 653                 windowAttrs = kWindowStandardDocumentAttributes
 654                             | kWindowStandardHandlerAttribute
 655                             | kWindowLiveResizeAttribute
 656                             | kWindowNoShadowAttribute;
 657
 658                 windowAttrs &= (~kWindowResizableAttribute);
 659
 660                 CreateNewWindow(kDocumentWindowClass, windowAttrs, &deviceRect, &p_vout->p_sys->theWindow);
 661                 if( !p_vout->p_sys->winGroup )
 662                 {
 663                     CreateWindowGroup(0, &p_vout->p_sys->winGroup);
 664                     SetWindowGroup(p_vout->p_sys->theWindow, p_vout->p_sys->winGroup);
 665                     SetWindowGroupParent( p_vout->p_sys->winGroup, GetWindowGroupOfClass(kDocumentWindowClass) ) ;
 666                 }
 667
 668                 // Window title
 669                 CFStringRef titleKey    = CFSTR("Fullscreen VLC media plugin");
 670                 CFStringRef windowTitle = CFCopyLocalizedString(titleKey, NULL);
 671                 SetWindowTitleWithCFString(p_vout->p_sys->theWindow, windowTitle);
 672                 CFRelease(titleKey);
 673                 CFRelease(windowTitle);
 674
 675                 //Install event handler
 676                 static const EventTypeSpec win_events[] = {
 677                     { kEventClassMouse, kEventMouseDown },
 678                     { kEventClassMouse, kEventMouseMoved },
 679                     { kEventClassMouse, kEventMouseUp },
 680                     { kEventClassWindow, kEventWindowClosed },
 681                     { kEventClassWindow, kEventWindowBoundsChanged },
 682                     { kEventClassCommand, kEventCommandProcess },
 683                     { kEventClassVLCPlugin, kEventVLCPluginShowFullscreen },
 684                     { kEventClassVLCPlugin, kEventVLCPluginHideFullscreen },
 685                 };
 686                 InstallWindowEventHandler (p_vout->p_sys->theWindow, NewEventHandlerUPP (WindowEventHandler), GetEventTypeCount(win_events), win_events, p_vout, NULL);
 687             }
 688             else
 689             {
 690                 /* just in case device resolution changed */
 691                 SetWindowBounds(p_vout->p_sys->theWindow, kWindowContentRgn, &deviceRect);
 692             }
 693             glClear( GL_COLOR_BUFFER_BIT );
 694             p_vout->p_sys->agl_drawable = (AGLDrawable)GetWindowPort(p_vout->p_sys->theWindow);
 695             aglSetDrawable(p_vout->p_sys->agl_ctx, p_vout->p_sys->agl_drawable);
 696             aglSetCurrentContext(p_vout->p_sys->agl_ctx);
 697             aglSetViewport(p_vout, deviceRect, deviceRect);
 698             //aglSetFullScreen(p_vout->p_sys->agl_ctx, device_width, device_height, 0, 0);
 699
 700             /* Most Carbon APIs are not thread-safe, therefore delagate some GUI visibilty update to the main thread */
 701             sendEventToMainThread(GetWindowEventTarget(p_vout->p_sys->theWindow), kEventClassVLCPlugin, kEventVLCPluginShowFullscreen);
 702         }
 703         aglReshape(p_vout);
 704         aglUnlock( p_vout );
 705         p_vout->b_fullscreen = !p_vout->b_fullscreen;
 706         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 707     }
 708     return VLC_SUCCESS;
 709 }
 710
 711 static int aglControl( vout_thread_t *p_vout, int i_query, va_list args )
 712 {
 713     switch( i_query )
 714     {
 715         case VOUT_SET_VIEWPORT:
 716         {
 717             Rect viewBounds, clipBounds;
 718             viewBounds.top = va_arg( args, int);
 719             viewBounds.left = va_arg( args, int);
 720             viewBounds.bottom = va_arg( args, int);
 721             viewBounds.right = va_arg( args, int);
 722             clipBounds.top = va_arg( args, int);
 723             clipBounds.left = va_arg( args, int);
 724             clipBounds.bottom = va_arg( args, int);
 725             clipBounds.right = va_arg( args, int);
 726
 727             if( !p_vout->b_fullscreen )
 728             {
 729                 /*
 730                 ** check that the clip rect is not empty, as this is used
 731                 ** by Firefox to prevent a plugin from displaying during
 732                 ** a scrolling event. In this case we just prevent buffers
 733                 ** from being swapped and ignore clipping as this is less
 734                 ** disruptive than a GL geometry change
 735                 */
 736
 737                 p_vout->p_sys->b_clipped_out = (clipBounds.top == clipBounds.bottom)
 738                                              || (clipBounds.left == clipBounds.right);
 739                 if( ! p_vout->p_sys->b_clipped_out )
 740                 {
 741                     /* ignore consecutive viewport update with identical parameters */
 742                     if( memcmp(&clipBounds, &(p_vout->p_sys->clipBounds), sizeof(clipBounds) )
 743                      && memcmp(&viewBounds, &(p_vout->p_sys->viewBounds), sizeof(viewBounds)) )
 744                     {
 745                         aglLock( p_vout );
 746                         aglSetViewport(p_vout, viewBounds, clipBounds);
 747                         aglReshape( p_vout );
 748                         aglUnlock( p_vout );
 749                         p_vout->p_sys->clipBounds = clipBounds;
 750                         p_vout->p_sys->viewBounds = viewBounds;
 751                     }
 752                 }
 753             }
 754             return VLC_SUCCESS;
 755         }
 756
 757         case VOUT_REDRAW_RECT:
 758         {
 759             vout_thread_t * p_parent;
 760             Rect areaBounds;
 761
 762             areaBounds.top = va_arg( args, int);
 763             areaBounds.left = va_arg( args, int);
 764             areaBounds.bottom = va_arg( args, int);
 765             areaBounds.right = va_arg( args, int);
 766
 767             /* Ask the opengl module to redraw */
 768             p_parent = (vout_thread_t *) p_vout->p_parent;
 769             if( p_parent && p_parent->pf_display )
 770             {
 771                 p_parent->pf_display( p_parent, NULL );
 772             }
 773             return VLC_SUCCESS;
 774         }
 775
 776         case VOUT_REPARENT:
 777         {
 778             AGLDrawable drawable = (AGLDrawable)va_arg( args, int);
 779             if( !p_vout->b_fullscreen && drawable != p_vout->p_sys->agl_drawable )
 780             {
 781                 p_vout->p_sys->agl_drawable = drawable;
 782                 aglSetDrawable(p_vout->p_sys->agl_ctx, drawable);
 783             }
 784             return VLC_SUCCESS;
 785         }
 786
 787         default:
 788             return vout_vaControlDefault( p_vout, i_query, args );
 789     }
 790 }
 791
 792 static void aglSwap( vout_thread_t * p_vout )
 793 {
 794     if( ! p_vout->p_sys->b_clipped_out )
 795     {
 796         p_vout->p_sys->b_got_frame = VLC_TRUE;
 797         aglSwapBuffers(p_vout->p_sys->agl_ctx);
 798     }
 799     else
 800     {
 801         /* drop frame */
 802         glFlush();
 803     }
 804 }
 805
 806 /* Enter this function with the p_vout locked */
 807 static void aglSetViewport( vout_thread_t *p_vout, Rect viewBounds, Rect clipBounds )
 808 {
 809     // mozilla plugin provides coordinates based on port bounds
 810     // however AGL coordinates are based on window structure region
 811     // and are vertically flipped
 812     GLint rect[4];
 813     CGrafPtr port = (CGrafPtr)p_vout->p_sys->agl_drawable;
 814     Rect winBounds, clientBounds;
 815
 816     GetWindowBounds(GetWindowFromPort(port),
 817         kWindowStructureRgn, &winBounds);
 818     GetWindowBounds(GetWindowFromPort(port),
 819         kWindowContentRgn, &clientBounds);
 820
 821     /* update video clipping bounds in drawable */
 822     rect[0] = (clientBounds.left-winBounds.left)
 823             + clipBounds.left;                  // from window left edge
 824     rect[1] = (winBounds.bottom-winBounds.top)
 825             - (clientBounds.top-winBounds.top)
 826             - clipBounds.bottom;                // from window bottom edge
 827     rect[2] = clipBounds.right-clipBounds.left; // width
 828     rect[3] = clipBounds.bottom-clipBounds.top; // height
 829     aglSetInteger(p_vout->p_sys->agl_ctx, AGL_BUFFER_RECT, rect);
 830     aglEnable(p_vout->p_sys->agl_ctx, AGL_BUFFER_RECT);
 831
 832     /* update video internal bounds in drawable */
 833     p_vout->p_sys->i_width  = viewBounds.right-viewBounds.left;
 834     p_vout->p_sys->i_height = viewBounds.bottom-viewBounds.top;
 835     p_vout->p_sys->i_offx   = -clipBounds.left - viewBounds.left;
 836     p_vout->p_sys->i_offy   = clipBounds.bottom + viewBounds.top
 837                             - p_vout->p_sys->i_height;
 838
 839     aglUpdateContext(p_vout->p_sys->agl_ctx);
 840 }
 841
 842 //default window event handler
 843 static pascal OSStatus WindowEventHandler(EventHandlerCallRef nextHandler, EventRef event, void *userData)
 844 {
 845     OSStatus result = noErr;
 846     UInt32 class = GetEventClass (event);
 847     UInt32 kind = GetEventKind (event);
 848     vout_thread_t *p_vout = (vout_thread_t *)userData;
 849
 850     result = CallNextEventHandler(nextHandler, event);
 851     if(class == kEventClassCommand)
 852     {
 853         HICommand theHICommand;
 854         GetEventParameter( event, kEventParamDirectObject, typeHICommand, NULL, sizeof( HICommand ), NULL, &theHICommand );
 855
 856         switch ( theHICommand.commandID )
 857         {
 858             default:
 859                 result = eventNotHandledErr;
 860         }
 861     }
 862     else if(class == kEventClassWindow)
 863     {
 864         WindowRef     window;
 865         Rect          rectPort = {0,0,0,0};
 866
 867         GetEventParameter(event, kEventParamDirectObject, typeWindowRef, NULL, sizeof(WindowRef), NULL, &window);
 868
 869         if(window)
 870         {
 871             GetPortBounds(GetWindowPort(window), &rectPort);
 872         }
 873
 874         switch (kind)
 875         {
 876             case kEventWindowClosed:
 877             case kEventWindowZoomed:
 878             case kEventWindowBoundsChanged:
 879                 break;
 880
 881             default:
 882                 result = eventNotHandledErr;
 883         }
 884     }
 885     else if(class == kEventClassMouse)
 886     {
 887         switch (kind)
 888         {
 889             case kEventMouseDown:
 890             {
 891                 UInt16     button;
 892
 893                 GetEventParameter(event, kEventParamMouseButton, typeMouseButton, NULL, sizeof(button), NULL, &button);
 894                 switch (button)
 895                 {
 896                     case kEventMouseButtonPrimary:
 897                     {
 898                         vlc_value_t val;
 899
 900                         var_Get( p_vout, "mouse-button-down", &val );
 901                         val.i_int |= 1;
 902                         var_Set( p_vout, "mouse-button-down", val );
 903                         break;
 904                     }
 905                     case kEventMouseButtonSecondary:
 906                     {
 907                         vlc_value_t val;
 908
 909                         var_Get( p_vout, "mouse-button-down", &val );
 910                         val.i_int |= 2;
 911                         var_Set( p_vout, "mouse-button-down", val );
 912                         break;
 913                     }
 914                     case kEventMouseButtonTertiary:
 915                     {
 916                         vlc_value_t val;
 917
 918                         var_Get( p_vout, "mouse-button-down", &val );
 919                         val.i_int |= 4;
 920                         var_Set( p_vout, "mouse-button-down", val );
 921                         break;
 922                     }
 923                     default:
 924                         result = eventNotHandledErr;
 925                 }
 926                 break;
 927             }
 928
 929             case kEventMouseUp:
 930             {
 931                 UInt16     button;
 932
 933                 GetEventParameter(event, kEventParamMouseButton, typeMouseButton, NULL, sizeof(button), NULL, &button);
 934                 switch (button)
 935                 {
 936                     case kEventMouseButtonPrimary:
 937                     {
 938                         UInt32 clickCount = 0;
 939                         GetEventParameter(event, kEventParamClickCount, typeUInt32, NULL, sizeof(clickCount), NULL, &clickCount);
 940                         if( clickCount > 1 )
 941                         {
 942                             vlc_value_t val;
 943
 944                             val.b_bool = VLC_FALSE;
 945                             var_Set((vout_thread_t *) p_vout->p_parent, "fullscreen", val);
 946                         }
 947                         else
 948                         {
 949                             vlc_value_t val;
 950
 951                             val.b_bool = VLC_TRUE;
 952                             var_Set( p_vout, "mouse-clicked", val );
 953
 954                             var_Get( p_vout, "mouse-button-down", &val );
 955                             val.i_int &= ~1;
 956                             var_Set( p_vout, "mouse-button-down", val );
 957                         }
 958                         break;
 959                     }
 960                     case kEventMouseButtonSecondary:
 961                     {
 962                         vlc_value_t val;
 963
 964                         var_Get( p_vout, "mouse-button-down", &val );
 965                         val.i_int &= ~2;
 966                         var_Set( p_vout, "mouse-button-down", val );
 967                         break;
 968                     }
 969                     case kEventMouseButtonTertiary:
 970                     {
 971                         vlc_value_t val;
 972
 973                         var_Get( p_vout, "mouse-button-down", &val );
 974                         val.i_int &= ~2;
 975                         var_Set( p_vout, "mouse-button-down", val );
 976                         break;
 977                     }
 978                     default:
 979                         result = eventNotHandledErr;
 980                 }
 981                 break;
 982             }
 983
 984             case kEventMouseMoved:
 985             {
 986                 Point ml;
 987                 vlc_value_t val;
 988
 989                 unsigned int i_x, i_y;
 990                 unsigned int i_height = p_vout->p_sys->i_height;
 991                 unsigned int i_width  = p_vout->p_sys->i_width;
 992
 993                 vout_PlacePicture(p_vout, i_width, i_height, &i_x, &i_y, &i_width, &i_height);
 994
 995                 GetEventParameter(event, kEventParamWindowMouseLocation, typeQDPoint, NULL, sizeof(Point), NULL, &ml);
 996
 997                 val.i_int = ( ((int)ml.h) - i_x ) *
 998                             p_vout->render.i_width / i_width;
 999                 var_Set( p_vout, "mouse-x", val );
1000
1001                 val.i_int = ( ((int)ml.v) - i_y ) *
1002                             p_vout->render.i_height / i_height;
1003
1004                 var_Set( p_vout, "mouse-y", val );
1005
1006                 val.b_bool = VLC_TRUE;
1007                 var_Set( p_vout, "mouse-moved", val );
1008
1009                 break;
1010             }
1011
1012             default:
1013                 result = eventNotHandledErr;
1014         }
1015     }
1016     else if(class == kEventClassTextInput)
1017     {
1018         switch (kind)
1019         {
1020             case kEventTextInputUnicodeForKeyEvent:
1021             {
1022                 break;
1023             }
1024             default:
1025                 result = eventNotHandledErr;
1026         }
1027     }
1028     else if(class == kEventClassVLCPlugin)
1029     {
1030         switch (kind)
1031         {
1032             case kEventVLCPluginShowFullscreen:
1033                 ShowWindow (p_vout->p_sys->theWindow);
1034                 SetSystemUIMode( kUIModeAllHidden, kUIOptionAutoShowMenuBar);
1035                 //CGDisplayHideCursor(kCGDirectMainDisplay);
1036                 break;
1037             case kEventVLCPluginHideFullscreen:
1038                 HideWindow (p_vout->p_sys->theWindow);
1039                 SetSystemUIMode( kUIModeNormal, 0);
1040                 CGDisplayShowCursor(kCGDirectMainDisplay);
1041                 break;
1042             default:
1043                 result = eventNotHandledErr;
1044                 break;
1045         }
1046     }
1047     return result;
1048 }
1049
1050 static int aglLock( vout_thread_t * p_vout )
1051 {
1052 #ifdef __ppc__
1053     /*
1054      * before 10.4, we set the AGL context as current and
1055      * then we retrieve and use the matching CGL context
1056      */
1057     aglSetCurrentContext(p_vout->p_sys->agl_ctx);
1058     return kCGLNoError != CGLLockContext( CGLGetCurrentContext() );
1059 #else
1060     /* since 10.4, this is the safe way to get the underlying CGL context */
1061     CGLContextObj cglContext;
1062     if( aglGetCGLContext(p_vout->p_sys->agl_ctx, (void**)&cglContext) )
1063     {
1064         if( kCGLNoError == CGLLockContext( cglContext ) )
1065         {
1066             aglSetCurrentContext(p_vout->p_sys->agl_ctx);
1067             return 0;
1068         }
1069     }
1070     return 1;
1071 #endif
1072 }
1073
1074 static void aglUnlock( vout_thread_t * p_vout )
1075 {
1076 #ifdef __ppc__
1077     /*
1078      * before 10.4, we assume that the AGL context is current.
1079      * therefore, we use the current CGL context
1080      */
1081     CGLUnlockContext( CGLGetCurrentContext() );
1082 #else
1083     /* since 10.4, this is the safe way to get the underlying CGL context */
1084     CGLContextObj cglContext;
1085     if( aglGetCGLContext(p_vout->p_sys->agl_ctx, (void**)&cglContext) )
1086     {
1087         CGLUnlockContext( cglContext );
1088     }
1089 #endif
1090 }
1091
1092